Dockerfile

# syntax=docker/dockerfile:1

FROM node:22-alpine AS deps
WORKDIR /app
COPY package.json package-lock.json ./
# Skip Playwright browser download (postinstall) — not needed for the static build
RUN npm ci --ignore-scripts

FROM node:22-alpine AS builder
WORKDIR /app
COPY --from=deps /app/node_modules ./node_modules
COPY . .
# Optional Firebase / analytics build-time public env vars
ARG NEXT_PUBLIC_FIREBASE_API_KEY
ARG NEXT_PUBLIC_FIREBASE_AUTH_DOMAIN
ARG NEXT_PUBLIC_FIREBASE_PROJECT_ID
ARG NEXT_PUBLIC_FIREBASE_STORAGE_BUCKET
ARG NEXT_PUBLIC_FIREBASE_MESSAGING_SENDER_ID
ARG NEXT_PUBLIC_FIREBASE_APP_ID
ARG NEXT_PUBLIC_GA_MEASUREMENT_ID
ENV NEXT_PUBLIC_FIREBASE_API_KEY=$NEXT_PUBLIC_FIREBASE_API_KEY \
    NEXT_PUBLIC_FIREBASE_AUTH_DOMAIN=$NEXT_PUBLIC_FIREBASE_AUTH_DOMAIN \
    NEXT_PUBLIC_FIREBASE_PROJECT_ID=$NEXT_PUBLIC_FIREBASE_PROJECT_ID \
    NEXT_PUBLIC_FIREBASE_STORAGE_BUCKET=$NEXT_PUBLIC_FIREBASE_STORAGE_BUCKET \
    NEXT_PUBLIC_FIREBASE_MESSAGING_SENDER_ID=$NEXT_PUBLIC_FIREBASE_MESSAGING_SENDER_ID \
    NEXT_PUBLIC_FIREBASE_APP_ID=$NEXT_PUBLIC_FIREBASE_APP_ID \
    NEXT_PUBLIC_GA_MEASUREMENT_ID=$NEXT_PUBLIC_GA_MEASUREMENT_ID \
    NEXT_TELEMETRY_DISABLED=1 \
    DOCKER_IGNORE_TS_ERRORS=1
RUN npm run build

FROM nginx:1.27-alpine AS runner
COPY docker/nginx.conf /etc/nginx/conf.d/default.conf
COPY --from=builder /app/out /usr/share/nginx/html
EXPOSE 80
HEALTHCHECK --interval=30s --timeout=3s --start-period=5s --retries=3 \
  CMD wget -qO- http://127.0.0.1/ >/dev/null || exit 1
CMD ["nginx", "-g", "daemon off;"]